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Artykuły w czasopismach na temat "Filtration sélective"
Planques, Y., N. Bendris, M. Allary i J. F. Lacoste-Bourgeacq. "Elimination des lipides plasmatiques par filtration sélective". Revue Française de Transfusion et d'Hémobiologie 35, nr 2 (marzec 1992): 95–105. http://dx.doi.org/10.1016/s1140-4639(05)80110-8.
Pełny tekst źródłaRahil, M. A., M. M. Fodil, M. Nadjmi, O. Zemmouri, S. Khedri, S. Hadouas, F. Reggas i in. "Plasmaphérèse par filtration non sélective en néphrologie". Néphrologie & Thérapeutique 7, nr 5 (wrzesień 2011): 328. http://dx.doi.org/10.1016/j.nephro.2011.07.147.
Pełny tekst źródłaBensalem, D., F. Haddoum, F. Y. Baghdali, H. I. Hassaine i F. Haddoum. "Échanges plasmatiques par filtration non sélective : expérience du service de néphrologie du CHU Hussein-Dey d’Alger". Néphrologie & Thérapeutique 10, nr 5 (wrzesień 2014): 375. http://dx.doi.org/10.1016/j.nephro.2014.07.248.
Pełny tekst źródłaMolcrette, Bastien, Léa Chazot-Franguiadakis, Thomas Auger i Fabien Montel. "Quelques éléments de physique autour des nanopores biologiques". Reflets de la physique, nr 75 (kwiecień 2023): 18–23. http://dx.doi.org/10.1051/refdp/202375018.
Pełny tekst źródłaJOVANOVIC, B., O. DANEL, I. BAUDIN, J. REUNGOAT, L. GUEY, J. F. ROBIN i A. BREHANT. "Évaluation d’un procédé d’affinage sur charbon actif en grains à l’échelle pilote pour le traitement d’une sélection de micropolluants peu adsorbables". Techniques Sciences Méthodes, nr 11 (20.11.2020): 41–62. http://dx.doi.org/10.36904/tsm/202011041.
Pełny tekst źródłaJoy, Melanie S., Gary R. Matzke, Deborah K. Armstrong, Michael A. Marx i Barbara J. Zarowitz. "A Primer on Continuous Renal Replacement Therapy for Critically Ill Patients". Annals of Pharmacotherapy 32, nr 3 (marzec 1998): 362–75. http://dx.doi.org/10.1345/aph.17105.
Pełny tekst źródłaBrownlee, Thomas, Deonne Dersch-Mills, Ginny Cummings, Tanya Fischer, Rhonda Shkrobot, Jeremy Slobodan i Jenny Wichart. "Patient Factors Associated with Prescribing of Iron for IV Administration: A Descriptive Study". Canadian Journal of Hospital Pharmacy 74, nr 1 (20.01.2021). http://dx.doi.org/10.4212/cjhp.v74i1.3040.
Pełny tekst źródłaRozprawy doktorskie na temat "Filtration sélective"
Chateauneuf-Randon, Sixtine de. "Membranes d'hydrogel pour une filtration sélective". Electronic Thesis or Diss., Sorbonne université, 2024. http://www.theses.fr/2024SORUS255.
Pełny tekst źródłaHydrogels are hydrophilic polymer materials that retain large amounts of water while maintaining a three- dimensional structure, making them suitable for biomedical and filtration applications. This manuscript focuses on hydrogel membranes made from polyethylene glycol diacrylate (PEGDA) crosslinked by UV in the presence of polyethylene glycol (PEG) chains and a photoinitiator. PEGDA/PEG membranes are selected for their me- chanical robustness and high permeability, which can be adjusted based on the concentration and molecular weight of PEG. An important feature of these membranes is that the PEG chains remain trapped in the ma- trix, allowing them to be functionalized for selective filtration. Our study shows that PEGDA/PEG membranes can selectively retain small molecules forming hydrogen bonds. We also functionalize the membranes with polyacrylic acid (PAA) to make them selective for positively charged dyes. PEGDA/PEG/PAA membranes prove effective in retaining methylene blue and rhodamine B. The selectivity of these membranes is reversible by adjusting the pH, allowing them to be rinsed and reused. Structural analysis of the membranes by small- angle neutron scattering (SANS) reveals that the PEG chains maintain a local gaussian structure within the PEGDA matrix, but with larger radii of gyration and correlation lengths than in solution, suggesting topolo- gical constraints such as chemical grafting or entanglements. A key observation is that the surface-to-volume ratio of the PEGDA matrix decreases with the addition of PEG, indicating the formation of larger cavities, which explains the observed increase in permeability. When the PEG concentration exceeds a certain critical value (C∗), the surface-to-volume ratio increases, suggesting a decrease in the size of the water cavities and consequently in permeability. We also develop a theoretical model to predict the permeability of PEGDA/PEG hydrogels as a function of the molecular weight and concentration of PEG for C < C∗, which corresponds well with experimental measurements
Wang, Lu. "Valorization of apple by-products by the extraction and purification of polyphenols : impact of the ultrasound". Thesis, Compiègne, 2019. http://www.theses.fr/2019COMP2509/document.
Pełny tekst źródłaThis thesis focuses on the intensification of polyphenols extraction from apple products (flesh, peel, and pomace) by ultrasound (US) and the purification of apple peel extracts by adsorption/desorption and membrane technology. The selective extraction of phenolic contents from apple products has been analyzed. The obtained data evidenced the possibility of fine regulation of selective extraction of soluble matter, catechin and total polyphenolic compounds using different temperatures, ultrasound-assisted extraction (UAE) protocols, ethanol/aqueous mixtures. The selectivity of catechin extraction was also depended on the type of the tissue (flesh, peel or pomace) and apple variety (green or red). The cavitation phenomenon generated by ultrasound could increase extraction of valuable components from fruit peels by damaging cell membranes of samples and accelerating heat and mass transfer by disrupted cell walls of samples. Meanwhile, the gas water solvents could enhance the extraction efficiency of polyphenols and antioxidant activity from apple peels by enhancing cavitation phenomenon generated by ultrasound. The efficiency of polyphenols purification from apple peel extracts with adsorption/desorption process by ultrasound treatment with the polyaromatic amberlite adsorbent XAD-16 and with membrane electro-filtration were studied. The obtained data demonstrated that the sonication significantly facilitated adsorption kinetics and increased activation energy of polyphenols adsorption. In addition, the desorption ratio was positively affected by the sonication during the adsorption step. On the other hand, the results demonstrated that the membrane electro-filtration allowed the purification of polyphenols in the anode (+) space and obtaining larger volume of filtrates